Data used to prepare the paper: Krzysztof Beck, Iana Okhrimenko (2024) "Optimum Currency Area in the Eurozone. The regional origins of the European business cycle". Open Economies Review

Data used to prepare the paper: Krzysztof Beck, Iana Okhrimenko (2024) "Optimum Currency Area in the Eurozone. The regional origins of the European business cycle". Open Economies Review用于撰写该论文的数据来源为：Krzysztof Beck、Iana Okhrimenko（2024）发表于《开放经济评论（Open Economies Review）》的研究论文《欧元区最优货币区（Optimum Currency Area）：欧洲经济周期的区域起源》